private void LoadWaveBank(AudioEngine audioEngine, BinaryReader reader, bool streaming)
{
/* Until we finish the LoadWaveBank process, this WaveBank is NOT
* ready to run. For us this doesn't really matter, but the game
* could be loading WaveBanks asynchronously, so let's be careful.
* -flibit
*/
IsPrepared = false;
INTERNAL_baseEngine = audioEngine;
// Check the file header. Should be 'WBND'
if (reader.ReadUInt32() != 0x444E4257)
{
throw new ArgumentException("WBND format not recognized!");
}
// Check the content version. Assuming XNA4 Refresh.
if (reader.ReadUInt32() != AudioEngine.ContentVersion)
{
throw new ArgumentException("WBND Content version!");
}
// Check the tool version. Assuming XNA4 Refresh.
if (reader.ReadUInt32() != 44)
{
throw new ArgumentException("WBND Tool version!");
}
// Obtain WaveBank chunk offsets/lengths
uint[] offsets = new uint[5];
uint[] lengths = new uint[5];
for (int i = 0; i < 5; i += 1)
{
offsets[i] = reader.ReadUInt32();
lengths[i] = reader.ReadUInt32();
}
// Seek to the first offset, obtain WaveBank info
reader.BaseStream.Seek(offsets[0], SeekOrigin.Begin);
// IsStreaming bool, unused
reader.ReadUInt16();
// WaveBank Flags
ushort wavebankFlags = reader.ReadUInt16();
// bool containsEntryNames = (wavebankFlags & 0x0001) != 0;
bool compact = (wavebankFlags & 0x0002) != 0;
// bool syncDisabled = (wavebankFlags & 0x0004) != 0;
// bool containsSeekTables = (wavebankFlags & 0x0008) != 0;
// WaveBank Entry Count
uint numEntries = reader.ReadUInt32();
// WaveBank Name
INTERNAL_name = System.Text.Encoding.UTF8.GetString(
reader.ReadBytes(64), 0, 64
).Replace("\0", "");
// WaveBank entry information
uint metadataElementSize = reader.ReadUInt32();
reader.ReadUInt32(); // nameElementSize
uint alignment = reader.ReadUInt32();
// Determine the generic play region offset
uint playRegionOffset = offsets[4];
if (playRegionOffset == 0)
{
playRegionOffset = offsets[1] + (numEntries * metadataElementSize);
}
// Entry format. Read early for Compact data
uint entryFormat = 0;
if (compact)
{
entryFormat = reader.ReadUInt32();
}
// Read in the wavedata
INTERNAL_sounds = new SoundEffect[numEntries];
if (streaming)
{
INTERNAL_soundStreamEntries = new SoundStreamEntry[numEntries];
}
uint curOffset = offsets[1];
for (int curEntry = 0; curEntry < numEntries; curEntry += 1)
{
// Seek to the current entry
reader.BaseStream.Seek(curOffset, SeekOrigin.Begin);
// Entry Information
uint entryPlayOffset = 0;
uint entryPlayLength = 0;
uint entryLoopOffset = 0;
uint entryLoopLength = 0;
// Obtain Entry Information
if (compact)
{
uint entryLength = reader.ReadUInt32();
entryPlayOffset =
(entryLength & ((1 << 21) - 1)) *
alignment;
entryPlayLength =
(entryLength >> 21) & ((1 << 11) - 1);
// FIXME: Deviation Length
reader.BaseStream.Seek(
curOffset + metadataElementSize,
SeekOrigin.Begin
);
if (curEntry == (numEntries - 1))
{
// Last track, last length.
entryLength = lengths[4];
}
else
{
entryLength = (
(
reader.ReadUInt32() &
((1 << 21) - 1)
) * alignment
);
}
entryPlayLength = entryLength - entryPlayOffset;
}
else
{
if (metadataElementSize >= 4)
{
reader.ReadUInt32(); // Flags/Duration, unused
}
if (metadataElementSize >= 8)
{
entryFormat = reader.ReadUInt32();
}
if (metadataElementSize >= 12)
{
entryPlayOffset = reader.ReadUInt32();
}
if (metadataElementSize >= 16)
{
entryPlayLength = reader.ReadUInt32();
}
if (metadataElementSize >= 20)
{
entryLoopOffset = reader.ReadUInt32();
}
if (metadataElementSize >= 24)
{
entryLoopLength = reader.ReadUInt32();
}
else
{
// FIXME: This is a bit hacky.
if (entryPlayLength != 0)
{
entryPlayLength = lengths[4];
}
}
}
// Update seek offsets
curOffset += metadataElementSize;
entryPlayOffset += playRegionOffset;
// Parse Format for Wavedata information
uint entryCodec = (entryFormat >> 0) & ((1 << 2) - 1);
uint entryChannels = (entryFormat >> 2) & ((1 << 3) - 1);
uint entryFrequency = (entryFormat >> (2 + 3)) & ((1 << 18) - 1);
uint entryAlignment = (entryFormat >> (2 + 3 + 18)) & ((1 << 8) - 1);
uint entryBitDepth = (entryFormat >> (2 + 3 + 18 + 8));
if (streaming)
{
INTERNAL_soundStreamEntries[curEntry] = new SoundStreamEntry(
entryPlayOffset,
entryPlayLength,
entryCodec,
entryFrequency,
entryChannels,
entryLoopOffset,
entryLoopLength,
entryAlignment,
entryBitDepth
);
}
else
{
SoundStreamEntry filler = new SoundStreamEntry(
entryPlayOffset,
entryPlayLength,
entryCodec,
entryFrequency,
entryChannels,
entryLoopOffset,
entryLoopLength,
entryAlignment,
entryBitDepth
);
LoadWaveEntry(filler, (ushort)curEntry, reader);
}
}
// Add this WaveBank to the AudioEngine Dictionary
audioEngine.INTERNAL_addWaveBank(INTERNAL_name, this);
// Finally.
IsDisposed = false;
IsPrepared = true;
}
private void LoadWaveBank(AudioEngine audioEngine, BinaryReader reader, bool streaming)
{
/* Until we finish the LoadWaveBank process, this WaveBank is NOT
* ready to run. For us this doesn't really matter, but the game
* could be loading WaveBanks asynchronously, so let's be careful.
* -flibit
*/
IsPrepared = false;
INTERNAL_baseEngine = audioEngine;
// Check the file header. Should be 'WBND'
if (reader.ReadUInt32() != 0x444E4257)
{
throw new ArgumentException("WBND format not recognized!");
}
// Check the content version. Assuming XNA4 Refresh.
if (reader.ReadUInt32() != AudioEngine.ContentVersion)
{
throw new ArgumentException("WBND Content version!");
}
// Check the tool version. Assuming XNA4 Refresh.
if (reader.ReadUInt32() != 44)
{
throw new ArgumentException("WBND Tool version!");
}
// Obtain WaveBank chunk offsets/lengths
uint[] offsets = new uint[5];
uint[] lengths = new uint[5];
for (int i = 0; i < 5; i += 1)
{
offsets[i] = reader.ReadUInt32();
lengths[i] = reader.ReadUInt32();
}
// Seek to the first offset, obtain WaveBank info
reader.BaseStream.Seek(offsets[0], SeekOrigin.Begin);
// Unknown value, IsStreaming bool?
reader.ReadUInt16();
// WaveBank Flags
ushort wavebankFlags = reader.ReadUInt16();
// bool containsEntryNames = (wavebankFlags & 0x00010000) != 0;
bool compact = (wavebankFlags & 0x00020000) != 0;
// bool syncDisabled = (wavebankFlags & 0x00040000) != 0;
// bool containsSeekTables = (wavebankFlags & 0x00080000) != 0;
// WaveBank Entry Count
uint numEntries = reader.ReadUInt32();
// WaveBank Name
INTERNAL_name = System.Text.Encoding.UTF8.GetString(
reader.ReadBytes(64), 0, 64
).Replace("\0", "");
// WaveBank entry information
uint metadataElementSize = reader.ReadUInt32();
reader.ReadUInt32(); // nameElementSize
uint alignment = reader.ReadUInt32();
// Determine the generic play region offset
uint playRegionOffset = offsets[4];
if (playRegionOffset == 0)
{
playRegionOffset = offsets[1] + (numEntries * metadataElementSize);
}
// Entry format. Read early for Compact data
uint entryFormat = 0;
if (compact)
{
entryFormat = reader.ReadUInt32();
}
// Read in the wavedata
INTERNAL_sounds = new SoundEffect[numEntries];
if (streaming)
{
INTERNAL_soundStreamEntries = new SoundStreamEntry[numEntries];
}
uint curOffset = offsets[1];
for (int curEntry = 0; curEntry < numEntries; curEntry += 1)
{
// Seek to the current entry
reader.BaseStream.Seek(curOffset, SeekOrigin.Begin);
// Entry Information
uint entryPlayOffset = 0;
uint entryPlayLength = 0;
uint entryLoopOffset = 0;
uint entryLoopLength = 0;
// Obtain Entry Information
if (compact)
{
uint entryLength = reader.ReadUInt32();
entryPlayOffset =
(entryLength & ((1 << 21) - 1)) *
alignment;
entryPlayLength =
(entryLength >> 21) & ((1 << 11) - 1);
// FIXME: Deviation Length
reader.BaseStream.Seek(
curOffset + metadataElementSize,
SeekOrigin.Begin
);
if (curEntry == (numEntries - 1))
{
// Last track, last length.
entryLength = lengths[4];
}
else
{
entryLength = (
(
reader.ReadUInt32() &
((1 << 21) - 1)
) * alignment
);
}
entryPlayLength = entryLength - entryPlayOffset;
}
else
{
if (metadataElementSize >= 4)
reader.ReadUInt32(); // Flags/Duration, unused
if (metadataElementSize >= 8)
entryFormat = reader.ReadUInt32();
if (metadataElementSize >= 12)
entryPlayOffset = reader.ReadUInt32();
if (metadataElementSize >= 16)
entryPlayLength = reader.ReadUInt32();
if (metadataElementSize >= 20)
entryLoopOffset = reader.ReadUInt32();
if (metadataElementSize >= 24)
entryLoopLength = reader.ReadUInt32();
else
{
// FIXME: This is a bit hacky.
if (entryPlayLength != 0)
{
entryPlayLength = lengths[4];
}
}
}
// Update seek offsets
curOffset += metadataElementSize;
entryPlayOffset += playRegionOffset;
// Parse Format for Wavedata information
uint entryCodec = (entryFormat >> 0) & ((1 << 2) - 1);
uint entryChannels = (entryFormat >> 2) & ((1 << 3) - 1);
uint entryFrequency = (entryFormat >> (2 + 3)) & ((1 << 18) - 1);
uint entryAlignment = (entryFormat >> (2 + 3 + 18)) & ((1 << 8) - 1);
uint entryBitDepth = (entryFormat >> (2 + 3 + 18 + 8));
if (streaming)
{
INTERNAL_soundStreamEntries[curEntry] = new SoundStreamEntry(
entryPlayOffset,
entryPlayLength,
entryCodec,
entryFrequency,
entryChannels,
entryLoopOffset,
entryLoopLength,
entryAlignment,
entryBitDepth
);
}
else
{
SoundStreamEntry filler = new SoundStreamEntry(
entryPlayOffset,
entryPlayLength,
entryCodec,
entryFrequency,
entryChannels,
entryLoopOffset,
entryLoopLength,
entryAlignment,
entryBitDepth
);
LoadWaveEntry(filler, (ushort) curEntry, reader);
}
}
// Add this WaveBank to the AudioEngine Dictionary
audioEngine.INTERNAL_addWaveBank(INTERNAL_name, this);
// Finally.
IsDisposed = false;
IsPrepared = true;
}
